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A method is developed for sequential azimuth and height estimation of small objects at far distances in front of a moving vehicle using coherent or mutually incoherent MIMO arrays. The model considers phases and amplitudes for near-field…

信号处理 · 电气工程与系统科学 2019-04-23 Renato Simoni , David Mateos-Núñez , María A. González-Huici , Aitor Correas-Serrano

Object detection in 3D with stereo cameras is an important problem in computer vision, and is particularly crucial in low-cost autonomous mobile robots without LiDARs. Nowadays, most of the best-performing frameworks for stereo 3D object…

计算机视觉与模式识别 · 计算机科学 2021-03-18 Yuxuan Liu , Lujia Wang , Ming Liu

In this paper, we describe a strategy for training neural networks for object detection in range images obtained from one type of LiDAR sensor using labeled data from a different type of LiDAR sensor. Additionally, an efficient model for…

计算机视觉与模式识别 · 计算机科学 2019-12-06 Manuel Herzog , Klaus Dietmayer

Problems in differentiable rendering often involve optimizing scene parameters that cause motion in image space. The gradients for such parameters tend to be sparse, leading to poor convergence. While existing methods address this sparsity…

图形学 · 计算机科学 2025-03-31 Ishit Mehta , Manmohan Chandraker , Ravi Ramamoorthi

The goal of this paper is to perform 3D object detection in the context of autonomous driving. Our method first aims at generating a set of high-quality 3D object proposals by exploiting stereo imagery. We formulate the problem as…

计算机视觉与模式识别 · 计算机科学 2017-04-26 Xiaozhi Chen , Kaustav Kundu , Yukun Zhu , Huimin Ma , Sanja Fidler , Raquel Urtasun

Most learning-based super-resolution (SR) methods aim to recover high-resolution (HR) image from a given low-resolution (LR) image via learning on LR-HR image pairs. The SR methods learned on synthetic data do not perform well in…

图像与视频处理 · 电气工程与系统科学 2020-01-09 Dong Gong , Wei Sun , Qinfeng Shi , Anton van den Hengel , Yanning Zhang

The lack of proper class discrimination among the Hyperspectral (HS) data points poses a potential challenge in HS classification. To address this issue, this paper proposes an optimal geometry-aware transformation for enhancing the…

机器学习 · 计算机科学 2018-07-10 Ramanarayan Mohanty , S L Happy , Aurobinda Routray

Large high-dimensional datasets are becoming more and more popular in an increasing number of research areas. Processing the high dimensional data incurs a high computational cost and is inherently inefficient since many of the values that…

计算机视觉与模式识别 · 计算机科学 2013-05-01 Alon Schclar

We present an improved model for MRF-based depth upsampling, guided by image- as well as 3D surface normal features. By exploiting the underlying camera model we define a novel regularization term that implicitly evaluates the planarity of…

计算几何 · 计算机科学 2017-06-20 Sascha Wirges , Björn Roxin , Eike Rehder , Tilman Kühner , Martin Lauer

Using publicly accessible maps, we propose a novel vehicle localization method that can be applied without using prior light detection and ranging (LiDAR) maps. Our method generates OSM descriptors by calculating the distances to buildings…

机器人学 · 计算机科学 2022-02-16 Younghun Cho , Giseop Kim , Sangmin Lee , Jee-Hwan Ryu

Stereo vision between images faces a range of challenges, including occlusions, motion, and camera distortions, across applications in autonomous driving, robotics, and face analysis. Due to parameter sensitivity, further complications…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Antonin Clerc , Michael Quellmalz , Moritz Piening , Philipp Flotho , Gregor Kornhardt , Gabriele Steidl

The goal of dimension reduction tools is to construct a low-dimensional representation of high-dimensional data. These tools are employed for a variety of reasons such as noise reduction, visualization, and to lower computational costs.…

应用统计 · 统计学 2024-09-20 Justin Lin , Julia Fukuyama

Synthesizing novel views for urban environments is crucial for tasks like autonomous driving and virtual tours. Compared to object-level or indoor situations, outdoor settings present unique challenges, such as inconsistency across frames…

计算机视觉与模式识别 · 计算机科学 2023-11-30 Mreenav Shyam Deka , Lu Sang , Daniel Cremers

Stereo matching methods rely on dense pixel-wise ground truth labels, which are laborious to obtain, especially for real-world datasets. The scarcity of labeled data and domain gaps between synthetic and real-world images also pose notable…

计算机视觉与模式识别 · 计算机科学 2025-05-14 Yuran Wang , Yingping Liang , Ying Fu

Multispectral stereoscopy is an emerging field. A lot of work has been done in classical stereoscopy, but multispectral stereoscopy is not studied as frequently. This type of stereoscopy can be used in autonomous vehicles to complete the…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Philippe Duplessis-Guindon , Guillaume-Alexandre Bilodeau

Object detection is a core component of perception systems, providing the ego vehicle with information about its surroundings to ensure safe route planning. While cameras and Lidar have significantly advanced perception systems, their…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Farzeen Munir , Shoaib Azam , Tomasz Kucner , Ville Kyrki , Moongu Jeon

Image ranking is to rank images based on some known ranked images. In this paper, we propose an improved linear ordinal distance metric learning approach based on the linear distance metric learning model. By decomposing the distance metric…

机器学习 · 计算机科学 2019-02-28 Panpan Yu , Qingna Li

Majority of the existing robot navigation systems, which facilitate the use of laser range finders, sonar sensors or artificial landmarks, has the ability to locate itself in an unknown environment and then build a map of the corresponding…

机器人学 · 计算机科学 2014-12-22 Arjun B. Krishnan , Jayaram Kollipara

This paper focused on the design of an optimized object tracking technique which would minimize the processing time required in the object detection process while maintaining accuracy in detecting the desired moving object in a cluttered…

计算机视觉与模式识别 · 计算机科学 2021-03-10 Liana Ellen Taylor , Midriem Mirdanies , Roni Permana Saputra

Region-based methods have become increasingly popular for model-based, monocular 3D tracking of texture-less objects in cluttered scenes. However, while they achieve state-of-the-art results, most methods are computationally expensive,…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Manuel Stoiber , Martin Pfanne , Klaus H. Strobl , Rudolph Triebel , Alin Albu-Schäffer